A free API is a type of interface that allows one (or multiple) software to communicate with another. Similar to how a User Interface (UI) allows a user to communicate with software (man-to-machine), an API allows software to communicate with other software (machine-to-machine). Are all APIs free to use?
Are all APIs free?
Many APIs are free to use, like the ones above. These are called Free APIs (which are different from Freemium APIs). But not all APIs are free. Depending on the importance of the data or functionality given access to by an API, it will be limited in several ways.
What is an API & how does it work?
API stands for Application Programming Interface. A free API is a type of interface that allows one (or multiple) software to communicate with another. Similar to how a User Interface (UI) allows a user to communicate with software (man-to-machine), an API allows software to communicate with other software (machine-to-machine).
